california has 728 inmates on death row, more than any other state. and only 13 inmates have actually been executed over the last 34 years. prop 34 opponents say the solution is to streamline the appeals process. >>> an nbc bay area investigation is raising questions about house to a suddens of names on our voter rolls. the reason, the names belong to dead people, some who are still vote egg. now, our investigation is prompting election officials to take a closer look at voter rolls. investigative reporter steven stock joins wuss details. >> reporter: we found more than 25,000 questionable voters on california's rolls. why? they share the same name, date of birth and zip code as someone who is dead. is it fraud? human error? a problem with the system? well, it appears the answer is all of the above. we compared the state's voter registration rolls to the u.s. social security master death index. we found thousands of questionable matches. and we confirmed dozens of those themes, names that should have been removed from the rolls. >> this is embarrassin